Objective Type Questions: Understanding Three Dimensional Shapes

# Objective Type Questions: Understanding Three Dimensional Shapes | Mathematics (Maths) Class 6 PDF Download

``` Page 1

Mark the correct alternative in each of the following:

1. Total number of faces of a cuboid is
(a) 4   (b) 6   (c) 8    (d) 12
Solution:

The option (b) is the correct answer.
Total number of faces of a cuboid is 6.

2. Total number of edges of a cuboid is
(a)  4   (b) 6   (c) 8    (d) 12
Solution:

The option (d) is the correct answer.
Total number of edges of a cuboid is 12.

3. Number of vertices of a cuboid is
(a)  4   (b) 6   (c) 8    (d) 10
Solution:

The option (c) is the correct answer.
Number of vertices of a cuboid is 8.

4. Which one of the following is an example of a cuboid?
(a) a dice  (b) a football  (c) a gas pipe  (d) an ice-cream cone
Solution:

The option (a) is the correct answer.
Example of a cuboid is a dice.

5. A brick is an example of a
(a) cube  (b) cuboid   (c) prism  (d) cylinder
Solution:
Page 2

Mark the correct alternative in each of the following:

1. Total number of faces of a cuboid is
(a) 4   (b) 6   (c) 8    (d) 12
Solution:

The option (b) is the correct answer.
Total number of faces of a cuboid is 6.

2. Total number of edges of a cuboid is
(a)  4   (b) 6   (c) 8    (d) 12
Solution:

The option (d) is the correct answer.
Total number of edges of a cuboid is 12.

3. Number of vertices of a cuboid is
(a)  4   (b) 6   (c) 8    (d) 10
Solution:

The option (c) is the correct answer.
Number of vertices of a cuboid is 8.

4. Which one of the following is an example of a cuboid?
(a) a dice  (b) a football  (c) a gas pipe  (d) an ice-cream cone
Solution:

The option (a) is the correct answer.
Example of a cuboid is a dice.

5. A brick is an example of a
(a) cube  (b) cuboid   (c) prism  (d) cylinder
Solution:

The option (b) is the correct answer.
A brick is an example of a cuboid.

6. A gas pipe is an example of a
(a) cone  (b) a cylinder  (c) cube  (d) sphere
Solution:

The option (b) is the correct answer.
A gas pipe is an example of a cylinder.

7. If the base radius and height of a right circular cone are 3 cm and 4 cm in lengths, then the slant height is
(a) 5 cm  (b) 2 cm  (c) 25 cm  (d) 6 cm
Solution:

The option (a) is the correct answer.
If the base radius and height of a right circular cone are 3 cm and 4 cm in lengths, then the slant height is 5 cm.
Slant height = v3
2
+ 4
2
= v25 = 5 cm

8. The number of faces of a triangular pyramid is
(a) 3  (b) 4  (c) 6  (d) 8
Solution:

The option (b) is the correct answer.
The number of faces of a triangular pyramid is 4.

9. The number of edges of a triangular pyramid is
(a) 3  (b) 4  (c) 6  (d) 8
Solution:

The option (c) is the correct answer.
The number of edges of a triangular pyramid is 6.

10. A tetrahedron is a pyramid whose base is a
(a) triangle  (b) square  (c) rectangle  (d) quadrilateral
Page 3

Mark the correct alternative in each of the following:

1. Total number of faces of a cuboid is
(a) 4   (b) 6   (c) 8    (d) 12
Solution:

The option (b) is the correct answer.
Total number of faces of a cuboid is 6.

2. Total number of edges of a cuboid is
(a)  4   (b) 6   (c) 8    (d) 12
Solution:

The option (d) is the correct answer.
Total number of edges of a cuboid is 12.

3. Number of vertices of a cuboid is
(a)  4   (b) 6   (c) 8    (d) 10
Solution:

The option (c) is the correct answer.
Number of vertices of a cuboid is 8.

4. Which one of the following is an example of a cuboid?
(a) a dice  (b) a football  (c) a gas pipe  (d) an ice-cream cone
Solution:

The option (a) is the correct answer.
Example of a cuboid is a dice.

5. A brick is an example of a
(a) cube  (b) cuboid   (c) prism  (d) cylinder
Solution:

The option (b) is the correct answer.
A brick is an example of a cuboid.

6. A gas pipe is an example of a
(a) cone  (b) a cylinder  (c) cube  (d) sphere
Solution:

The option (b) is the correct answer.
A gas pipe is an example of a cylinder.

7. If the base radius and height of a right circular cone are 3 cm and 4 cm in lengths, then the slant height is
(a) 5 cm  (b) 2 cm  (c) 25 cm  (d) 6 cm
Solution:

The option (a) is the correct answer.
If the base radius and height of a right circular cone are 3 cm and 4 cm in lengths, then the slant height is 5 cm.
Slant height = v3
2
+ 4
2
= v25 = 5 cm

8. The number of faces of a triangular pyramid is
(a) 3  (b) 4  (c) 6  (d) 8
Solution:

The option (b) is the correct answer.
The number of faces of a triangular pyramid is 4.

9. The number of edges of a triangular pyramid is
(a) 3  (b) 4  (c) 6  (d) 8
Solution:

The option (c) is the correct answer.
The number of edges of a triangular pyramid is 6.

10. A tetrahedron is a pyramid whose base is a
(a) triangle  (b) square  (c) rectangle  (d) quadrilateral

Solution:

The option (a) is the correct answer.
A tetrahedron is a pyramid whose base is a triangle.

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## Mathematics (Maths) Class 6

94 videos|347 docs|54 tests

## Mathematics (Maths) Class 6

94 videos|347 docs|54 tests

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